This document provides a long list of free and open source software tools that can be used by libraries and their patrons and staff on both public and staff computers. It covers categories like operating systems, office suites, financial software, imaging editing, antivirus software, ebooks, databases, reference tools, staff scheduling, meeting tools, social media tools, audio/video tools, elearning tools, and website creation and management tools. The document aims to showcase the many free alternatives to expensive proprietary software that broke libraries can utilize.